Home / 20,111,034.02-30,171,274.23-6,647,861.54

Finding the Fourth Proportional to 20,111,034.02, 30,171,274.23 and 6,647,861.54

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Solution

The fourth proportional to 20,111,034.02, 30,171,274.23 and 6,647,861.54 is: 9,973,353.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,111,034.02 : 30,171,274.23 = 6,647,861.54 : x
  2. Step 2: Convert to fraction form
    20,111,034.02/30,171,274.23 = 6,647,861.54/x
  3. Step 3: Cross multiply
    20,111,034.02x = 30,171,274.23 × 6,647,861.54
  4. Step 4: Simplify right side
    20,111,034.02x = 200,574,453,566,410.12
  5. Step 5: Solve for x
    x = 200,574,453,566,410.12/20,111,034.02
  6. Step 6: Final answer
    x = 9,973,353.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.